Add 75/10 and 7/45
1st number: 7 5/10, 2nd number: 7/45
75/10 + 7/45 is 689/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
75/10 = 75 × 9/10 × 9 = 675/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Add the two like fractions:
675/90 + 14/90 = 675 + 14/90 = 689/90 - So, 75/10 + 7/45 = 689/90
In mixed form: 759/90
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